User manual | MODEL: JFR2 Plug-in Signal Conditioners M-UNIT INPUT – Field-selectable FREQUENCY SCALER

MODEL: JFR2
Plug-in Signal Conditioners M-UNIT
FREQUENCY SCALER
(field-programmable; built-in excitation)
Functions & Features
• Scales input frequency
• Various outputs (open collector, voltage pulse, Noncontact
AC/DC switch, RS-422 line driver)
• Built-in excitation
• Scaling factor is user-programmable by simply setting
input and output frequencies via handheld programmer PU2x
• Isolation up to 2000 V AC
INPUT – Field-selectable
Open collector
Mechanical contact
Voltage pulse
Two-wire current pulse
RS-422 line driver pulse
[1] EXCITATION
1: 5 V DC @ 120 mA
4: 12 V DC @ 60 mA
7: 24 V DC @ 25 mA
[2] OUTPUT
A: Open collector (max. 10 kHz)
M: 5V pulse (max. 10 kHz)
N: 12 V pulse (max. 10 kHz)
P: 24 V pulse (max. 10 kHz)
J: RS-422 line driver pulse (max. 10 kHz)
R: Noncontact AC/DC switch (max. 20 Hz)
Typical Applications
• Scaling frequency signals from a rotary encoder
50
(1.97)
80
(3.15)
[3] OUTPUT PULSE WIDTH
1: Equal to the input
3: One-shot output (std. pulse width 400 μs)
(Specify when optional pulse width is required.)
127
(5)
mm (inch)
[4] POWER INPUT
MODEL: JFR2–[1][2][3]–[4]
ORDERING INFORMATION
• Code number: JFR2-[1][2][3]-[4]
Specify a code from below for each [1] through [4].
(e.g. JFR2-4P1-K)
• Use Ordering Information Sheet (No. ESU-1581). Default
setting (table below) will be used if not otherwise specified.
Factory default setting
PARAMETER
Input
Input pulse amplitude
Noise filter
Detecting level *1
Input span frequency
Output span frequency
Low-end cutout
Non-uniform wave averaging
One-shot output
*1. Internal voltage
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DEFAULT
Open collector
--Low
1V (5V excitation)
2V (12V/24V excitation)
1000 Hz
20 Hz (output code R)
1000 Hz (all other codes)
3 Hz
1 (No averaging)
400 µsec.
AC Power
K: 85 – 132 V AC
DC Power
S: 12 V DC
R: 24 V DC
V: 48 V DC
P: 110 V DC
RELATED PRODUCTS
• JX configurator connection kit (model: JXCON)
• Programming Unit (model: PU-2x)
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input or sensor exc. to output to power
Input monitor LED: Red LED blinks according to the input.
Excitation adjustment: 5 – 24 V DC
Adjustments: Programming Unit (model: PU-2x); input and
output frequencies, low-end cutout, non-uniform wave
averaging, etc.
(Refer to the users manual of JXCON for the adjustments
JFR2 SPECIFICATIONS
ES-1581 Rev.3 Page 1/4
MODEL: JFR2
configurable with JXCON.)
DIP and rotary switches: Pulse amplitude, input type, noise
filter
(Refer to the instruction manual for details)
Input pulse sensing: DC coupled
Averaging non-uniform input waveforms: Input pulses are
divided and then multiplied so that the output pulses are
averaged.
Low-end cutout: No pulse output for certain low level of
input frequency; 0.3 – 100 % adjustable; deadband 1 %
the current signal into 0 – 2.5 V. A pulse rise detected when
the voltage goes above the detecting level; a pulse sink
detected when it goes below the level.
■ RS-422 Line Driver Pulse
Receiver: Conforms to RS-422
■Voltage pulse waveform
Volts
Amplitude
Vinp-p
INPUT SPECIFICATIONS
DC Offset
Excitation: Shortcircuit protection; approx. 440 mA (max.) at
shortcircuit
Minimum pulse width time requirement: 5 μsec.; 50 msec.
for mechanical contact (for both ON and OFF)
Minimum frequency span requirement: 20 % of the selected
input frequency range; 20 % of the selected output
frequency range
■ Open Collector & Mechanical Contact
Input requirements (Excitation: Sensing)
5 V: Approx. 4 V / 1.0 mA
12 V: Approx. 9 V / 2.3 mA
24 V: Approx. 16 V / 4.7 mA
Resistance at ON : ≤ 200 Ω
Resistance at OFF : ≥ 200 kΩ
Detecting level: 1 V with 5 V excitation
2 V with 12 V/24 V excitation.
(Detecting voltage in the internal circuit)
For open collector or mechanical contact input, be sure to re
-adjust the voltage back to 1 V (excitation 5 V) or 2 V
(excitation 12 V/24 V) if it has been changed for other input
types.
Detecting pulse edge: OFF to ON
■ Voltage Pulse
Waveform: Square or sine
Input impedance: ≥ 10 kΩ
Pulse amplitude: 0.1 – 100 Vp-p (square)
1 – 100 Vp-p (sine or similar)
Max. voltage between input terminals: 50 V
Detecting level: 0 – 5 V (Detecting voltage in the internal
circuit.)
Detecting pulse state: A pulse rise detected when the input
voltage goes above the detecting level; a pulse sink
detected when it goes below the level.
■ Two-wire Current Pulse
Input resistance: Receiving resistor 100 Ω
Input range: 0 – 25 mA
Minimum pulse amplitude: 10 mA
Detecting level: 0 – 5 V
(Detecting voltage in the internal circuit.)
Detecting pulse state: The input resistor (100 Ω) converts
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50V max.
t
OUTPUT SPECIFICATIONS
Output frequency: Input frequency × scaling factor (scaling
factor = output span frequency / input span frequency)
■ Open Collector: 50 V DC @ 50 mA (resistive load)
Saturation voltage: 0.6 V DC
Maximum frequency: 10kHz
■ Voltage Pulse
H level: Rating (5, 12 or 24 V) ±10 %
L level: ≤ 0.5 V
Load resistance: ≥ 1 kΩ (5V ), ≥ 2.4 kΩ (12 V), ≥ 4.8 kΩ (24
V)
Maximum frequency: 10 kHz
■ Noncontact AC/DC Switch: 120 V AC or 120 V DC @200
mA (resistive load)
ON resistance: 3 Ω
Maximum frequency: 20 Hz
Rise time: 5 msec.
Sink time: 3 msec.
■ RS-422 Line Driver Pulse
Transmitter: Conforms to RS-422
Maximum frequency: 10 kHz
OUTPUT PULSE WIDTH
• Equal to the Input: Duty ratio approx. 50 % (Fixed duty
ratio even when the output frequency changes.)
•One-shot Output: Preset pulse width ±20 %
Optional pulse width: 30 μsec. – 300 msec.
INSTALLATION
Power input
•AC: Operational voltage range 85 – 132 V,
47 – 66 Hz, approx. 6 VA
•DC: Operational voltage range: Rating ±10 %, or 85 – 150
V for 110 V rating; ripple 10 %p-p max.; Approx. 3.3 W (140
mA at 24 V)
JFR2 SPECIFICATIONS
ES-1581 Rev.3 Page 2/4
MODEL: JFR2
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lbs)
PERFORMANCE in percentage of span
Accuracy
Output 10 kHz range: ±0.2 %
Output ≤ 1 kHz range: ±0.1 %
Response time
Input ≥ 10 Hz range: 0.3 sec. + input cycle + output cycle
Input ≤ 1 Hz range: Two (2) input cycles + output cycle
Response time is defined as time required for the first
output pulse to be provided for a step input (0 – 100 %).
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (input or sensor
excitation to output to power to ground)
EXTERNAL VIEW
Modular Jack
Unused
Input Monitor LED
Unused
Detecting Level Adj.
7 8
Detecting Level Adj. Pin
Pulse Amplitude Selector
456
901
23
SW3
1
2
3
4
5
6
7
8
SW1
1
2
3
4
5
6
7
8
SW2
Sensor Excitation Adj.
Input Type Selectors
ON
1
2
3
4
5
6
7
8
Refer to the instruction manual for detailed procedures.
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
107 (4.21)
127 (5)
5
4
3
7
8
1
2
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8–M3.5
SCREW
50 (1.97)
6
80 (3.15)
80 (3.15)
35.4 (1.39)
DIN RAIL
35mm wide
40 (1.57)
[3.3 (.13)]
50 (1.97)
• When mounting, no extra space is needed between units.
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JFR2 SPECIFICATIONS
ES-1581 Rev.3 Page 3/4
MODEL: JFR2
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
■ OPEN COLLECTOR, MECHANICAL SWITCH, VOLTAGE PULSE, 2-WIRE CURRENT PULSE INPUT
DETECT.
LEVEL
INPUT
MON.
Waveform
Shaper
+ 3
INPUT
Isolation
Digital
Computation
*
Output
Driver
One-Shot
1 +
OUTPUT
2 –
– 4
SENSOR EXCITATION
Excitation
Supply
+ 5
POWER
VOLTAGE
ADJ.
6
PU-2x
7 U(+)
8 V(–)
MODULAR JACK
SERIAL TRANSMISSION LINE
Base Socket
*Deleted with no pulse width conversion type.
Remark: With 24V excitation and open collector/mechanical contact input, the voltage across the terminals 3 – 4,
divided in the waveform shaper, is of approx. 16V.
■ RS-422 LINE DRIVER PULSE INPUT
INPUT
MON.
+ 3
RS-422
Receiver
INPUT
– 6
Isolation
Digital
Computation
*
Output
Driver
One-Shot
1 +
OUTPUT
2 –
Excitation
VOLT.
Supply
ADJ.
+ 5
SENSOR EXCITATION
7 U(+)
POWER
– 4
PU-2x
8 V(–)
MODULAR JACK
SERIAL TRANSMISSION LINE
Base Socket
*Deleted with no pulse width conversion type.
Input Connection Examples
Output Connection Examples
■ Open Collector or
■ 2-Wire Current Pulse
Mechanical Contact
PWR
+
–
–
+
–
4
Vsns
PWR
2-WIRE
PICK-UP
3
100Ω
4
1 +
+
1 +
+
2 –
–
2 –
–
Vsns
+
5kΩ
5
■ Noncontact AC/DC Switch
• AC Powered
■ Voltage Pulse
+
–
–
+
■ Voltage Pulse
• Built-in Excitation
3
5
■ Open Collector
• External DC Supply
3
2-WIRE
PICK-UP
4
Vsns
5
–
+
3
DC SUPPLY
4
+
–
5
Relay or
Counter Coil
1
100Ω
2
Varistor or Spark
Quenching Circuit
LOAD
Vsns
• DC Powered
Relay or
Counter Coil
1
■ RS-422 Line Driver Pulse
+
2
3
+
–
6
–
–
4
+
5
■ RS-422 Line Driver Pulse
Vsns
PWR
Spark Quenching
Diode
LOAD
1 +
+
+
2 –
–
–
Specifications are subject to change without notice.
http://www.m-system.co.jp/
JFR2 SPECIFICATIONS
ES-1581 Rev.3 Page 4/4

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